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Satriananda, Satriananda
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Journal : Jurnal Teknologi

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Sintesa Biokoagulan dari Chitosan dan Biji Kelor (Moringa Oleifera) untuk Menurunkan Kandungan Senyawa Organik dalam Limbah Cair Tahu Safitri, Putri Destia; Satriananda, Satriananda; Adriana, Adriana
Jurnal Teknologi Vol 24, No 1 (2024): April 2024
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v24i1.4990

Abstract

Tofu liquid waste contains high organic compounds that potential to pollute water bodies, so it must be treated before being discharged into the environment. This research investigated the processing of tofu liquid waste using natural coagulants Chitosan and Moringa seeds to remove organic compounds in tofu wastewater. The ratio of chitosan to moringa seeds was varied 0:100; 25:75; 50:50; 75:25 and 100:0%. Jar test method has been employed to conduct the experiment, in which the process of fast stirring was 120 rpm for 1-minute, slow stirring was 20 rpm for 20 minutes, and settling time were varied for 1, 2 and 3 hours. The variables measured include Chemical Oxygen Demand (COD), turbidity, pH and Total Disolved Solid (TDS). The best results were obtained at a coagulant ratio of 100:0 with a weight of 1 gram of chitosan and 0 gram of Moringa seeds at a deposition time of 3 hours. Under these conditions the removal of COD reached 71.87%, turbidity removal 81.65%, pH 5.7 and TDS removal 76.32%.
Pembuatan Deodoran Spray Alami Berbasis Daun Sirih Hijau (Piper Betle L.) Nuriennabila, Nuriennabila; Sari, Ratna; Satriananda, Satriananda
Jurnal Teknologi Vol 25, No 1 (2025): April 2025
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v25i1.6336

Abstract

Problems of cleanliness and body odor often reduce a person's self-confidence. The use of natural spray deodorants based on green betel leaves (Piper betle L.) was developed as a safer alternative to synthetic deodorants. This study aims to determine the effect of variations in the concentration of propylene glycol and betel leaf extract on the physical properties of spray deodorants, such as specific gravity, viscosity, pH, and skin irritation, and to evaluate the safety of the product in daily use. Betel leaves were extracted using the maceration method with 96% ethanol solvent, and the spray deodorant formulation was made with variations in the concentration of propylene glycol of 3%, 4%, 5%, 6%, and 15%, and betel leaf extract of 0.1%, 0.2%, 0.3%, 0.4%, and 0.5%. The results showed that the formulation with a 5% propylene glycol concentration gave the best results, in accordance with SNI standards for specific gravity (1.0185), viscosity (0.516 cP), and pH (4.5), which are within the standard pH range of 4.4-7 for cosmetic products. In addition, the concentration of betel leaf extract of 0.5% produced the highest organoleptic test value with a score between 3.7 and 4.7, indicating that this product is safe to use without causing significant skin irritation.
Co-Authors Adriana Adriana Atthariq, Atthariq Azhar Azhar Elfiana, E Halim Zaini, Halim Harunsyah, Harunsyah Intan, Syarifah Keumala Juanda Juanda Nuriennabila, Nuriennabila Pardi Pardi, Pardi Prihatin, Nanang Rahmahwati, Cut Aja Ratna Sari Reza Fauzan Ridwan, Ridwan Safitri, Putri Destia Yusnianti, Erna